Erich Ulrich

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Mulheim (Ruhr), DT

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Patents Grantslast 30 patents

Information Patent Grant
Devices for the cleaning of heating surfaces
- Patent number 3,971,343
- Issue date Jul 27, 1976
- Deutsche Babcock & Wilcox Aktiengesellschaft
- Erich Ulrich
- F28 - HEAT EXCHANGE IN GENERAL